000 00436nam 22001693 4500
001 510152
090 _a510152
100 _a20191017d1896 u||y0engy50 ba
101 _aeng
102 _aGB
200 _aHelmholtz
_fT.C. Mendenhall
210 _aWashington
_cGovernment Priting Officce
_d1896
215 _aP.787-793
_d25 cm
300 _aFrom The Smithsonian Report for 1895, Pages 787-793
620 _dWashington
990 _cMON